stations in battle ground states in ohio and virginia and north carolina and florida and colorado and nevada. also in hurricane-damaged areas without power, balloted are cast in tents. after a year of campaigning, canndidates voted today. romney voted in massachusetts. vice president joe biden waited at his polling station in delaware. president obama, now back in chicago, held his final campaign rally in iowa on monday night. he won't be voting today. he joined the more than 30 million people nationwide who voted early in 34 states and the district of columbia. votes that were not allowed to be counted until today. but it is the last-minute undecided votes that has romney with the push in pennsylvania and in the toughest battle ground of all, ohio. >> i feel great about ohio. >> reporter: with polls showing a virtual tie, it is the handful of swing states that determine the presidency. tallies will be carefully scrutinized for a long night of counting. marla and jon. >> quick question here. president obama is not campaigning today. he is keeping tradition and playing hoops at the white hous